Quality and safety problems will exist in grain and oil products processing which may manifest in three aspects:raw materials, processing technology, illegal indiscriminate use of additives.The safety problems in the processing of raw materials present as pesticide residues in grains, mycotoxin contamination, heavy metals pollution etc, and safety problems in machining process present as excessive processing, trans fatty acid and harmful substances migration to packaging materials. Quality and safety countermeasures of grain and oil products suggest strengthening supervision of quality and safety, increasing the propaganda dynamics, strengthening the process control and management, constructing quality and safety traceability system.